musculoskeletal system Flashcards

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1
Q

axial skeletal

A

skull, the vertebral column(spine), the thoracic (rib cage)

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2
Q

appendicular skeletal

A

pectoral gridle (shoulders), upper and lower limbs(arms and legs), pelvic gridle(hip bones)

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3
Q
A
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4
Q

muscles

A

generate motion, force. 3 types of muscle tissue occur skeletal, cardiac and smooth

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5
Q

cardiac muscle

A

only in heart and responsible for moving blood through the circulatory system by allowing the heart to contract rhythmically

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6
Q

smooth muscle

A

primary muscle of internal organs, tubes and influences the movement of material in, out and within the body

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7
Q

skeletal muscle

A

only contract in response to a signal from a somatic motor neuron (over 600 in body)

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8
Q

compact bone

A

hard outer layer of bones, minimal gaps and spaces. contains haversian canals

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9
Q

spongy bones

A

fills the interior of bones, an open cell porous network

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10
Q

osteocytes

A

contain nucleas and cytoplasm. most common in mature bones play important role in all aspects of bone function

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11
Q

osteoblasts

A

responsible for bone formation, constantly being reshaped by these cells

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12
Q

osteoclasts

A

instrumental in controlling the amount of bone tissue. removes bone tissue by demineralizing the matrix

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13
Q

tendons

A

connects muscle to bone. tough, flexible fibrous connective tissue

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14
Q

joints

A

structures that connect individual bones and may allow bones to move against each other to cause movement. most common movable joint is synovial

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15
Q

ligament

A

connect ends of bones together in order to form a joint. small band of white, fibrous elastic tissue.

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16
Q

bursa

A

small fluid filled sac made of white fibrous tissue and lined with synovial membrane. provides cushion between bones and tendons